สกรูแจ๊ค Makishinko

Produce superior jack by accumulated individual know-how and technology
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We have given consideration to easy selection of our products, and then we changed the former jack type number into capacity indicate number.
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Capacities are developed more than 25% (maximum 67 %) as compared with the previous machines.
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We introduced our industrial patented screw stopper key system which is optional specification of ball screw type.
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We make compressive load and tension load equally capable for products with its nominal capacity from 2kN to 2000kN.
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Measurements of screw shaft end design are unified and standardized.
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Type |
JA |
JA |
JB |
JTA |
JTA |
JTB |
JTB |
NX/BX |
Type of screw |
Trapezoidal |
Trapezoidal |
Ball |
Trapezoidal |
Trapezoidal |
Ball |
Ball |
Trapezoidal& Ball |
JACK
SPECIFICATION
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Nominal Capacity(kN) |
2-10 |
25-1250 |
5&10 |
25-1250 |
2-10 |
25-1250 |
5&10 |
25-200 |
20&50 |
Size |
002-010 |
025-1250 |
005&010 |
025-1250 |
002-010 |
025-1250 |
005&010 |
025-0200 |
19&25 |
Direction of screw shaft *1 |
U&D |
U&D |
U&D |
U&D |
U&D |
U&D |
U&D |
U&D |
U |
Input arrangement *2 |
A,B,C |
A,B,C |
A,B,C |
A,B,C |
A,B,C |
A,B,C |
A,B,C |
A,B,C |
A,B,C,D |
Gear ratio *3 |
H&L |
H&L |
H&L |
H&L |
H&L |
H&L |
H&L |
H&L |
2.5or2.0 |
Screw shaft end design *4 |
C,S,F |
C,S,F |
C,S,F |
C,S,F |
P |
(P) |
P |
(P) |
C,S,F |
with bellows |
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with screw stopper key |
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Driving Products |
With Motor |
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With geared motor |
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With Hydraulic Motor |
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With Gearbox |
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Stroke Control Products |
With Counter switch |
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With Cam switch |
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With Encoder |
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With Electron Counter |
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Fittings |
Trunnion bracket |
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Trunnion pin metal fitting |
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Lubricating System |
Reducer part |
Grease |
Oil bath |
Grease |
Oil bath |
Grease |
Oil bath |
Grease |
Oil bath |
Grease |
Screw part |
Grease |
Grease |
Grease |
Grease |
Grease |
Grease |
Grease |
Grease |
Grease |
Features
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Self-Locking |
Fair |
Fair |
Non |
Non |
Fair |
Fair |
Non |
Non |
Fair/Non |
Efficiency |
Low |
Low |
High |
High |
Low |
Low |
High |
High |
middle/High |
Frequency |
Seldom |
Seldom |
Often |
Often |
Seldom |
Seldom |
Often |
Often |
Seldom/Often |
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Possible to supply |
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To be discussed |
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Unable to supply |
*1 |
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*2 |
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*3 |
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*4 |
U: |
Up |
A: |
Right hand assy |
H: |
High |
C: |
Clevis |
D: |
Down |
B: |
Left hand assy |
L: |
Low |
S: |
Screw |
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C: |
Double extended input shafts |
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F: |
Flange |
Functional details picture |


Jack features
The series indication displays the capacity in order to simplify the selection of models.
Capacities have been increased by 25% or more (up to 67%) over previous models.
The nominal capacity of 2 kN to 200 kN is the same for both the pressing load and the pulling load.
Makishinko jacks use a screw baffle structure for optional ball screw type jacks which has been granted an industrial patent for Makishinko.
The dimensions of the screw shaft end have been unified and standardized.
List of Products
Model | JA | JA | JB | JTA | JTA | JTB | JTB | NX/BX |
Screw types |
Trapezoidal |
Trapezoidal |
Ball |
Trapezoidal |
Trapezoidal |
Ball |
Ball |
Trapezoidal& Ball |
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Nominal capacity(kN) |
2 to 10 |
25 to 1250 |
5 & 10 |
25 to 1250 |
2 to 10 |
25 to 1250 |
5 & 10 |
25 to 200 |
20 & 50 |
Model |
002 to 010 |
025 to 1250 |
005 & 010 |
025 to 1250 |
002 to 010 |
025 to 1250 |
005 & 010 |
025 to 0200 |
19 & 25 |
Screw shaft direction |
U&D |
U&D |
U&D |
U&D |
U&D |
U&D |
U&D |
U&D |
U |
Input shaft positioning |
A,B,C |
A,B,C |
A,B,C |
A,B,C |
A,B,C |
A,B,C |
A,B,C |
A,B,C |
A,B,C,D |
Reduction ratio |
H&L |
H&L |
H&L |
H&L |
H&L |
H&L |
H&L |
H&L |
2.5 or 2.0 |
Screw shaft end configuration |
C,S,F |
C,S,F |
C,S,F |
C,S,F |
P |
(P) |
P |
(P) |
C,S,F |
With bellow |
● |
● |
● |
● |
▲ |
▲ |
▲ |
▲ |
● |
Equipped with screw baffle |
● |
● |
● |
● |
× |
× |
× |
× |
▲ |
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Equipped with motor |
● |
● |
● |
● |
● |
● |
● |
● |
▲ |
Equipped with geared motor |
● |
● |
● |
● |
● |
● |
● |
● |
▲ |
Equipped with hydraulic motor |
× |
● |
× |
● |
× |
● |
× |
● |
× |
Equipped with gearbox |
● |
● |
● |
● |
● |
● |
● |
● |
× |
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Equipped with counter switch |
● |
● |
● |
● |
● |
● |
● |
● |
▲ |
Equipped with cam switch |
× |
● |
× |
● |
× |
● |
× |
● |
▲ |
Equipped with encoder |
● |
● |
● |
● |
● |
● |
● |
● |
▲ |
Equipped with electrical counter |
● |
● |
● |
● |
● |
● |
● |
● |
▲ |
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Trunnion bracket |
● |
● |
● |
● |
● |
● |
● |
● |
× |
Trunnion pin metal fitting |
● |
● |
● |
● |
● |
● |
● |
● |
× |
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Reducer part |
Grease |
Oil bath |
Grease |
Oil bath |
Grease |
Oil bath |
Grease |
Oil bath |
Grease |
Screw section |
Grease |
Grease |
Grease |
Grease |
Grease |
Grease |
Grease |
Grease |
Grease |
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Self-locking |
Yes |
Yes |
No |
No |
Yes |
Yes |
No |
No |
Yes/No |
Efficiency |
Low |
Low |
High |
High |
Low |
Low |
High |
High |
Medium/High |
Frequency |
Seldom |
Seldom |
Often |
Often |
Seldom |
Seldom |
Often |
Often |
Seldom/Often |
[Note 1] The lubricating system for the screw section of JA/JTA002 is an oil bath.
●Manufacture available ▲Consultation required ×Manufacture unavailable